Overview
William Hamstra is a General Surgeon in Stockton, California. Dr. Hamstra is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Gallbladder Disease, Hernia, Choledocholithiasis, Gallstones, and Hernia Surgery. Dr. Hamstra is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
Locations
7373 West Lane, 1st Floor, Stockton, CA 95210
2 Medical Plaza Care Center
Andrew Demar is a General Surgeon in Roseville, California. Dr. Demar is rated as a Distinguished provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Cholecystitis, Appendicitis, Hernia Surgery, and Colostomy. Dr. Demar is currently accepting new patients.
Trauma Medical Group Of Roseville Inc
Dustin Zierold is a General Surgeon in Roseville, California. Dr. Zierold is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Cholecystitis, Delirium, Hernia Surgery, and Ileostomy.
2 Medical Plaza Care Center
Zia Dehqanzada is a General Surgeon in Roseville, California. Dr. Dehqanzada is rated as a Distinguished provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Cholecystitis, Retroperitoneal Inflammation, Gallbladder Disease, Hernia Surgery, and Bladder Reconstruction. Dr. Dehqanzada is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- CholedocholithiasisDr. Hamstra isExperienced. Learn about Choledocholithiasis.
- Gallbladder DiseaseDr. Hamstra isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Hamstra isExperienced. Learn about Gallstones.
- HerniaDr. Hamstra isExperienced. Learn about Hernia.
- Hernia SurgeryDr. Hamstra isExperienced. Learn about Hernia Surgery.
- Pilonidal Sinus DiseaseDr. Hamstra isExperienced. Learn about Pilonidal Sinus Disease.

